Table of Contents
Product Overview
The QJSPD-PV40 Blue DC Surge Protective Device is engineered for DC-side protection in photovoltaic installations operating up to 600V DC. Using self-developed MOV manufacturing technology, it delivers stable surge discharge performance while maintaining long-term operational reliability.
Its modular pluggable design allows fast replacement and simplified maintenance, making it suitable for both commercial and industrial solar power projects.
Key Features
40kA Surge Discharge Capacity: Reliable protection against lightning and switching surges
600V DC System Compatibility: Designed for PV DC circuits up to 600V
Self-Developed MOV Technology: High consistency and extended service life
Consistent Pluggability: Including compatibility with N/PE spark gap modules
Individual Thermal Disconnect: Each connector protected against overheating
Optical & Mechanical Status Indication: Immediate visual condition monitoring
Optional Floating Remote Contact: Enables remote alarm and system integration
Wide Network Compatibility: Suitable for almost all PV system configurations
DIN Rail Mounting: Standard 35mm DIN rail installation
Technical parameters
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